Exposure
ID
GRAVI.2025-11-03T06:36:55.579_1
Header ID
GRAVI.2025-11-03T06:36:55.579
Date updated
2025-11-03 06:50:50 UTC+0000
Release date
2026-11-03 06:50:50 UTC+0000
UTC Start
2025-11-03 06:36:55.579
UTC End
2025-11-03 06:40:55.579
MJD Start
60982.27564328
MJD End
60982.27842105778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003072
Ambient temperature (°C)
10.25
Seeing (arcsec)
1.075
Observation
ID
71016
Category
science
Program ID
116.28L4.001
Program Title
DETERMINING PRECISE DYNAMICAL MASSES OF A UNIQUE BE + SDO SYSTEM TO CALIBRATE THE PHYSICS OF BINARY MASS TRANSFER
Program Type
Normal
PI / COI
KLEMENT / RIVINIUS / DE MINK / LECHIEN
Target
ID
52700
Name
HD_41335
RA
91.053992
DEC
-6.70893
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 89.0720 89.3340 112.8000 112.8000
A0-J2 122.3810 123.1300 90.4000 90.6000
A0-K0 116.7560 117.6390 67.7200 68.0210
G1-J2 52.3620 52.7210 50.2000 50.7000
G1-K0 82.8580 83.0710 18.2090 18.7720
J2-K0 47.4160 47.3550 342.3960 342.7570
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28L4.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60982.27564328
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 41335
HIERARCH ESO INS SOBJ NAME HD_41335
RA 91.053992
DEC -6.70893
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 89.072
HIERARCH ESO ISS PBL12 END 89.334
HIERARCH ESO ISS PBLA12 START 112.8
HIERARCH ESO ISS PBLA12 END 112.8
HIERARCH ESO ISS PBL13 START 122.381
HIERARCH ESO ISS PBL13 END 123.13
HIERARCH ESO ISS PBLA13 START 90.4
HIERARCH ESO ISS PBLA13 END 90.6
HIERARCH ESO ISS PBL14 START 116.756
HIERARCH ESO ISS PBL14 END 117.639
HIERARCH ESO ISS PBLA14 START 67.72
HIERARCH ESO ISS PBLA14 END 68.021
HIERARCH ESO ISS PBL23 START 52.362
HIERARCH ESO ISS PBL23 END 52.721
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.7
HIERARCH ESO ISS PBL24 START 82.858
HIERARCH ESO ISS PBL24 END 83.071
HIERARCH ESO ISS PBLA24 START 18.209
HIERARCH ESO ISS PBLA24 END 18.772
HIERARCH ESO ISS PBL34 START 47.416
HIERARCH ESO ISS PBL34 END 47.355
HIERARCH ESO ISS PBLA34 START 342.396
HIERARCH ESO ISS PBLA34 END 342.757
HIERARCH ESO ISS AMBI TAU0 START 0.003349
HIERARCH ESO ISS AMBI TAU0 END 0.002795
HIERARCH ESO ISS AMBI TEMP 10.25
HIERARCH ESO ISS AMBI FWHM START 0.94
HIERARCH ESO ISS AMBI FWHM END 1.21